m/s — doppler velocity (m/s)When used, the positive is down (towards the radar). Particle and air motions contribute to the velocity.
MA — Metropolitan Area (MA)As defined by standards set by the U.S. Office of Management and Budget (OMB), metropolitan areas must have at least one city of 50,000 or have a Census…
MAGI — Modified Adjusted Gross Income (MAGI)Your modified adjusted gross income (MAGI) is your adjusted gross income (AGI) plus deductions, such as college loan interest and contributions to a…
MAI — Minority AIDS Initiative (MAI)A national HHS initiative that provides special resources to reduce the spread of HIV/AIDS and improve health outcomes for people living with HIV/AIDS…
MBS — Mortgage-Backed Securities (MBS)MBS are debt securities that represent claims to the cash flows from pools of mortgage loans, most commonly on residential property.
MBS — Mortgage-Backed Security (MBS)A mortgage‐backed security (MBS) is an asset‐backed security or debt obligation that represents a claim on the cash flows from mortgage loans, most…
MBTA — Migratory Bird Treaty Act (MBTA)The MBTA implements various treaties and conventions between the United States, and Canada, Japan, Mexico, and the former Soviet Union for the protection…
MC — Moisture Content (MC)The weight of the water contained in wood, usually expressed as a percentage of weight, either oven-dry or as received.
MCL — Maximum Contaminant Level (MCL)The highest level of a contaminant that is allowed in drinking water. MCLs ensure that drinking water does not pose either a short-term or long-term…
MCT — Mobile Computer Terminal (MCT)A fully-functional computer terminal (example: laptop) either permanently mounted or removable and containing its own central processing unit (CPU).
MCWB — Moisture content, wet basis (MCWB)Moisture content expressed as a percentage of the weight of wood as-received. Expressed as: weight of wet sample - weight of dry sample…
MD — Metropolitan Division (MD)A metropolitan division is a subset of an MSA having a single core with a population of 2.5 million or more.
MDS — metadata system (MDS)The components of the ARM data system that collect and report data stream metadata. Formerly known as the Site Ops Log.
MGI — Monthly Gross Income (MGI)the total income of all homeowners who sign a mortgage before any taxes or other deductions are made.
MHIP — Maryland Health Insurance Program (MHIP)MHIP is the public insurance plan available to individuals who have not been able to qualify for insurance based on a pre-existing condition.
MI — Mortgage Insurance (MI)insurance that protects lenders against losses caused by a rhomeowner's default on a mortgage loan.
MLA — Mineral Leasing Act of 1920 (MLA)Authorizes the agency to issue rights-of-way grants for oil and gas gathering and distribution pipelines and related facilities not already authorized…
MLR — Medical Loss Ratio (MLR)A basic financial measurement used in the Affordable Care Act to encourage health plans to provide value to enrollees.
MMA — Marine Managed Areas (MMA) InventoryAn earlier (2001-2007) database of U.S. aquatic, coastal, or marine sites that have been set aside for the protection of some or all of the natural and…
MPA — Marine Protected Areas (MPA) InventoryA comprehensive inventory of U.S. marine protected areas established or managed by federal, state, or territorial agencies or programs.
MRV — Machine Readable Visa (MRV)A visa that contains biometric information about the passport holder. A visa that immigration officers read with special machines when the applicants…
MSA — Metropolitan Statistical Area (MSA)For purposes of HMDA, the term is interchangeable with "metropolitan area." The underlying concept of an MSA is that of a core area containing a large…
MSL — Mean sea level (MSL)The arithmetic mean of hourly water elevations observed over a specific 19-year tidal epoch.
MSS — Multispectral scanner (MSS)An instrument on some satellites used for imaging the earth. An MSS image will have data recorded by the scanner from three or more bands of the…
MTBE — Methyl tertiary butyl ether (MTBE)An ether manufactured by reacting methanol and isobutylene. MTBE has high octane and low volatility. Used as a fuel oxygenate.
MTN — Medium Term Note (MTN)Notes issued in the capital markets in late 2009 by US Central Federal Credit Union and Western Corporate Federal Credit Union.
MTR — Military Training Route (MTR)A designated corridor of airspace with defined vertical and lateral dimensions established for conducting military flight training at airspeeds in excess…
MW — Megawatt (MW)A measure of instantaneous electric power consumption or production. Equal to one thousand KW.
MWa, aMW — Average megawatt (MWa, aMW)One megawatt of capacity produced continuously over a period of one year. 1 aMW = 1 MW x 8760 hours/year = 8,760 MWh = 8,760,000 kWh.